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HID: multitouch: remove last usb dependency

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hid-multitouch used to direclty call for a set_idle in the .resume()
callback. With the new hid_hw_idle(), this can be dropped and
hid-multitouch is now freed from its transport layer.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2013-02-27 16:38:18 +01:00 committed by Jiri Kosina
parent 9684819b5a
commit 4ba25d3f87
1 changed files with 1 additions and 16 deletions
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17
drivers/hid/hid-multitouch.c
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@ -909,26 +909,11 @@ static int mt_reset_resume(struct hid_device *hdev)
static int mt_resume(struct hid_device *hdev)
{
struct usb_interface *intf;
struct usb_host_interface *interface;
struct usb_device *dev;
if (hdev->bus != BUS_USB)
return 0;
intf = to_usb_interface(hdev->dev.parent);
interface = intf->cur_altsetting;
dev = interface_to_usbdev(intf);
/* Some Elan legacy devices require SET_IDLE to be set on resume.
* It should be safe to send it to other devices too.
* Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
HID_REQ_SET_IDLE,
USB_TYPE_CLASS | USB_RECIP_INTERFACE,
0, interface->desc.bInterfaceNumber,
NULL, 0, USB_CTRL_SET_TIMEOUT);
hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
return 0;
}